A nurse is educating a client who has multiple sclerosis about glia cells. Which of the following statements by the client indicates an understanding of the teaching?

"Glia cells produce myelin that insulates nerve fibers."

"Glia cells transmit electrical impulses along nerve fibers."

"Glia cells secrete neurotransmitters that communicate with other cells."

"Glia cells destroy pathogens and foreign substances in the nervous system."

Answer and Explanation

The Correct Answer is A

Choice A reason:

This is a correct answer. Glia cells are supportive cells that provide insulation, protection, nutrition, and regulation for neurons. One type of glia cells, called oligodendrocytes, produce myelin that insulates nerve fibers and increases the speed of electrical impulses.

Choice B reason:

This is an incorrect answer. Glia cells do not transmit electrical impulses along nerve fibers. This is the function of neurons, which are the primary cells of the nervous system.

Choice C reason:

This is an incorrect answer. Glia cells do not secrete neurotransmitters that communicate with other cells. This is also the function of neurons, which release neurotransmitters at the synapses to transmit signals to other neurons, muscles, or glands.

Choice D reason:

This is an incorrect answer. Glia cells do not destroy pathogens and foreign substances in the nervous system. This is the function of microglia, which are a type of immune cells that reside in the nervous system and act as macrophages.

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Correct Answer is ["A","B","C","E"]

Explanation

Choice A reason:

This is a correct answer. A spinal cord injury at the level of T6 affects the sensory nerves that innervate the lower half of the body, resulting in loss of sensation below the waist.

Choice B reason:

This is a correct answer. A spinal cord injury at the level of T6 affects the motor nerves that innervate the lower half of the body, resulting in paralysis of the lower extremities.

Choice C reason:

This is a correct answer. A spinal cord injury at the level of T6 affects the autonomic nerves that innervate the bladder and bowel, resulting in impaired bladder and bowel control.

Choice D reason:

This is an incorrect answer. A spinal cord injury at the level of T6 does not affect the cranial nerves that innervate the pharynx and esophagus, which are responsible for swallowing.

Choice E reason:

This is a correct answer. A spinal cord injury at the level of T6 affects the autonomic nerves that innervate the sweat glands and thermoregulatory centers, resulting in decreased sweating and shivering.

A. Elevate the head of the bed to 30 degrees B. Administer morphine sulfate for pain relief C. Encourage coughing and deep breathing exercises D. Perform passive range of motion exercises

Correct Answer is A

Explanation

Choice A reason:

This is a correct answer. Elevating the head of the bed to 30 degrees helps to reduce ICP by facilitating venous drainage from the brain and decreasing cerebral edema.

Choice B reason:

This is an incorrect answer. Administering morphine sulfate for pain relief can increase ICP by causing vasodilation, respiratory depression, and increased carbon dioxide levels in the blood.

Choice C reason:

This is an incorrect answer. Encouraging coughing and deep breathing exercises can increase ICP by increasing intrathoracic pressure, which impedes venous drainage from the brain.

Choice D reason:

This is an incorrect answer. Performing passive range of motion exercises can increase ICP by stimulating the sympathetic nervous system, which increases blood pressure and cerebral blood flow.

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A nurse is educating a client who has multiple sclerosis about glia cells. Which of the following statements by the client indicates an understanding of the teaching?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has a spinal cord injury at the level of T6. Which of the following findings should the nurse expect? (Select all that apply.)

Correct Answer is ["A","B","C","E"]

Explanation

A nurse is caring for a client who has increased intracranial pressure (ICP) due to a brain tumor. Which of the following actions should the nurse take?

Correct Answer is A

Explanation

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